题目内容
把下列各数分别填人相应的集合里.
-5,|-
|,0,-3.14,
,-12,0.1010010001…,+1.99,-(-6),-
(1)有理数集合:{______…}
(2)无理数集合:{______…}
(3)正数集合:{______…}
(4)负数集合:{______ …}
(5)整数集合:{______…}
(6)分数集合:{______…}.
-5,|-
| 3 |
| 4 |
| 22 |
| 7 |
| π |
| 3 |
(1)有理数集合:{______…}
(2)无理数集合:{______…}
(3)正数集合:{______…}
(4)负数集合:{______ …}
(5)整数集合:{______…}
(6)分数集合:{______…}.
(1)有理数集合:{-5,|-
|,0,-3.14,
,-12,+1.99,-(-6),…}
(2)无理数集合:{ 0.1010010001…,-
…}
(3)正数集合:{ |-
|,
,0.1010010001…,+1.99,-(-6),…}
(4)负数集合:{-5,-3.14,-12,-
…}
(5)整数集合:{-5,0,-12,-(-6),…}
(6)分数集合:{|-
|,-3.14,
,+1.99,…}.
故答案为:-5,|-
|,0,-3.14,
,-12,+1.99,-(-6);0.1010010001…,-
;|-
|,
,0.1010010001…,+1.99,-(-6);-5,-3.14,-12,-
;-5,0,-12,-(-6);|-
|,-3.14,
,+1.99;
| 3 |
| 4 |
| 22 |
| 7 |
(2)无理数集合:{ 0.1010010001…,-
| π |
| 3 |
(3)正数集合:{ |-
| 3 |
| 4 |
| 22 |
| 7 |
(4)负数集合:{-5,-3.14,-12,-
| π |
| 3 |
(5)整数集合:{-5,0,-12,-(-6),…}
(6)分数集合:{|-
| 3 |
| 4 |
| 22 |
| 7 |
故答案为:-5,|-
| 3 |
| 4 |
| 22 |
| 7 |
| π |
| 3 |
| 3 |
| 4 |
| 22 |
| 7 |
| π |
| 3 |
| 3 |
| 4 |
| 22 |
| 7 |
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